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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 551 · 40 questions
TalentJR

The method (Think in totals): Average = total ÷ how many; total = average × how many. A number added or removed: compare the new total with the old total. Two groups together: add the two totals, then divide by everyone.

NameDateTime takenScore ___ / 40
  1. 1.Marks of 6 friends in a quiz: 66, 72, 57, 53, 62, 74. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 19, 33, 16, 52. What is their average mark?
  3. 3.Ishaan’s batting average after 8 innings is 43 runs. How many runs must Ishaan score in the next innings to raise the average to 47?
  4. 4.Rahul’s batting average after 12 innings is 46 runs. How many runs must Rahul score in the next innings to raise the average to 49?
  5. 5.Marks of 6 friends in a quiz: 64, 47, 42, 64, 38, 57. What is their average mark?
  6. 6.Dev’s batting average after 11 innings is 45 runs. How many runs must Dev score in the next innings to raise the average to 47?
  7. 7.A shop sells an average of 38 kg of sugar a day for 6 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  8. 8.The average weight of 10 children is 30 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 12, 24, 16, 28, 30. What is their average mark?
  10. 10.Manav’s batting average after 6 innings is 50 runs. How many runs must Manav score in the next innings to raise the average to 53?
  11. 11.Dev’s batting average after 13 innings is 31 runs. How many runs must Dev score in the next innings to raise the average to 35?
  12. 12.The average of 9 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  13. 13.Marks of 4 friends in a quiz: 27, 32, 41, 68. What is their average mark?
  14. 14.Meera’s batting average after 13 innings is 35 runs. How many runs must Meera score in the next innings to raise the average to 38?
  15. 15.Marks of 4 friends in a quiz: 13, 20, 35, 44. What is their average mark?
  16. 16.Ananya’s batting average after 10 innings is 49 runs. How many runs must Ananya score in the next innings to raise the average to 53?
  17. 17.The average of 9 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  18. 18.The average of 9 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  19. 19.Diya’s batting average after 7 innings is 47 runs. How many runs must Diya score in the next innings to raise the average to 49?
  20. 20.The average weight of 8 children is 31 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 5 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  22. 22.The average weight of 8 children is 47 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 4 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  24. 24.The average of 4 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  25. 25.The average weight of 5 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Zoya’s batting average after 10 innings is 29 runs. How many runs must Zoya score in the next innings to raise the average to 30?
  27. 27.Marks of 5 friends in a quiz: 24, 50, 26, 39, 36. What is their average mark?
  28. 28.A shop sells an average of 71 kg of sugar a day for 6 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.The average weight of 9 children is 45 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 5 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  31. 31.The average of 9 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  32. 32.A shop sells an average of 27 kg of sugar a day for 5 days, and then 21 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  33. 33.Meera’s batting average after 5 innings is 38 runs. How many runs must Meera score in the next innings to raise the average to 39?
  34. 34.The average weight of 9 children is 43 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 6 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  36. 36.Marks of 4 friends in a quiz: 33, 46, 30, 63. What is their average mark?
  37. 37.The average of 5 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  38. 38.Marks of 5 friends in a quiz: 17, 34, 21, 30, 58. What is their average mark?
  39. 39.Marks of 5 friends in a quiz: 70, 77, 76, 77, 15. What is their average mark?
  40. 40.The average weight of 6 children is 34 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 64
  2. 30
  3. 79
  4. 85
  5. 52
  6. 69
  7. 32
  8. 27
  9. 22
  10. 71
  11. 87
  12. 62
  13. 42
  14. 77
  15. 28
  16. 93
  17. 83
  18. 59
  19. 63
  20. 30
  21. 66
  22. 44
  23. 47
  24. 21
  25. 42
  26. 40
  27. 35
  28. 73
  29. 42
  30. 79
  31. 48
  32. 24
  33. 44
  34. 40
  35. 55
  36. 43
  37. 45
  38. 32
  39. 63
  40. 31

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